9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  23  */
  24 /*
  25  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 #pragma weak cos = __cos
  30 
  31 /* INDENT OFF */
  32 /*
  33  * cos(x)
  34  * Accurate Table look-up algorithm by K.C. Ng, May, 1995.
  35  *
  36  * Algorithm: see sincos.c
  37  */
  38 
  39 #include "libm.h"
  40 
  41 static const double sc[] = {
  42 /* ONE  = */  1.0,
  43 /* NONE = */ -1.0,
  44 /*
  45  * |sin(x) - (x+pp1*x^3+pp2*x^5)| <= 2^-58.79 for |x| < 0.008
  46  */
  47 /* PP1  = */ -0.166666666666316558867252052378889521480627858683055567,
  48 /* PP2  = */   .008333315652997472323564894248466758248475374977974017927,
  49 /*

   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  23  */
  24 /*
  25  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28 
  29 #pragma weak __cos = cos
  30 
  31 /* INDENT OFF */
  32 /*
  33  * cos(x)
  34  * Accurate Table look-up algorithm by K.C. Ng, May, 1995.
  35  *
  36  * Algorithm: see sincos.c
  37  */
  38 
  39 #include "libm.h"
  40 
  41 static const double sc[] = {
  42 /* ONE  = */  1.0,
  43 /* NONE = */ -1.0,
  44 /*
  45  * |sin(x) - (x+pp1*x^3+pp2*x^5)| <= 2^-58.79 for |x| < 0.008
  46  */
  47 /* PP1  = */ -0.166666666666316558867252052378889521480627858683055567,
  48 /* PP2  = */   .008333315652997472323564894248466758248475374977974017927,
  49 /*